Optus IV Surface / OPTUS IV D 2X28W HF E3 GRY DSB IP23


Data Sheet

Specially developed for use in laboratory environments. For 2 x 28W T16 lamp. Body in extruded powder coated titan grey. End caps in die-cast zinc, and louvre in anodised aluminium, Satinbrite. 5 pole piano key terminal block and cable clamp. Key holes c-c 1120mm.

Dimensions: 1209 x 165 x 61 mm
Total power: 61.2 W
Weight: 5 kg

Mode selection
  • Lamp position:STD - standard
  • Light Source:2 x T16 / 28W
  • Luminaire luminous flux*:2881 lm
  • Lamp luminous flux:2 x 2600 lm
  • Total emergency luminous flux:165.6 lm
  • Luminaire efficacy*:47 lm/W
  • Lamp efficacy:85 lm/W
  • Colour Rendering Index min.:80
  • Ballast:1x HF Tridonic PC T5 PRO LP
  • Luminaire input power*:61.2 W Lambda = 0.99
  • Maintenance category:C - Closed Top Reflector
  • T16
  • CE
  • EAC
  • IP23
  • RCM
  • Electrical class I


Photometric configuration


Use CalcExpress to quickly carry out quick online calculations of required indoor luminaire numbers for rectangular rooms. Enter the calculation parameters for your solution such as room dimensions, mounting height, height of the useful plane and required level of illuminance, and the site will instantly suggest a solution according to the light output ratio method.

Step 1: Technical data
Step 2: Room Data
Step 3: Result